Add 84/72 and 80/60
1st number: 1 12/72, 2nd number: 1 20/60
84/72 + 80/60 is 5/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 60 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 72 × 5 = 360,
84/72 = 84 × 5/72 × 5 = 420/360 - Likewise, for the 2nd fraction, since 60 × 6 = 360,
80/60 = 80 × 6/60 × 6 = 480/360 - Add the two like fractions:
420/360 + 480/360 = 420 + 480/360 = 900/360 - 900/360 simplified gives 5/2
- So, 84/72 + 80/60 = 5/2
In mixed form: 21/2
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